12570531 has 16 divisors (see below), whose sum is σ = 18321408. Its totient is φ = 7632000.

The previous prime is 12570529. The next prime is 12570539. The reversal of 12570531 is 13507521.

It is not a de Polignac number, because 12570531 - 2¹ = 12570529 is a prime.

It is a super-2 number, since 2×12570531² = 316036499243922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12570539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2395 + ... + 5556.

It is an arithmetic number, because the mean of its divisors is an integer number (1145088).

Almost surely, 2^12570531 is an apocalyptic number.

12570531 is a deficient number, since it is larger than the sum of its proper divisors (5750877).

12570531 is a wasteful number, since it uses less digits than its factorization.

12570531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8002.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 12570531 is about 3545.4944648102. The cubic root of 12570531 is about 232.5151244641.

The spelling of 12570531 in words is "twelve million, five hundred seventy thousand, five hundred thirty-one".